import requests

url = 'http://192.168.31.93/VZvipHtURf.php/index/login'

s = requests.session()
s.headers = {
        'User-Agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_13_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/81.0.4044.92 Safari/537.36',
    }
r = s.get(url)
with open('test.html', 'w') as f:
    f.write(r.text)